demo_epochs <- electrode_locations(demo_epochs,
montage = "biosemi64alpha",
overwrite = TRUE)
set.seed(1000)
demo_SOBI <- run_ICA(demo_epochs, pca = 10)
demo_fastic <- run_ICA(demo_epochs, method = "fastica", pca = 10)
demo_fica <- run_ICA(demo_spatial, method = "fica", pca = 14)
test_that("topoplots for ICA work", {
skip_on_ci()
vdiffr::expect_doppelganger("topographical plot for SOBI",
topoplot(demo_SOBI,
component = "Comp001",
limits = c(-4, 5), verbose = FALSE))
vdiffr::expect_doppelganger("topographical plot for fastica",
topoplot(demo_fastic,
component = "Comp001",
limits = c(-5, 5)))
vdiffr::expect_doppelganger("topographical plot for fica",
topoplot(demo_fica,
component = "Comp001",
limits = c(-4, 3.5)))
vdiffr::expect_doppelganger("topoplot multiple comps",
topoplot(demo_fica,
component = c("Comp001", "Comp002"),
limits = c(-4, 3.5)))
})
test_that("ICA timecourses work", {
vdiffr::expect_doppelganger("timecourse over one component",
plot_timecourse(demo_SOBI,
component = "Comp001"))
vdiffr::expect_doppelganger("fastica timecourse",
plot_timecourse(demo_fastic,
component = "Comp002"))
vdiffr::expect_doppelganger("fastica psd",
plot_psd(demo_fastic, verbose = FALSE))
})
test_that("component removal works", {
demo_rm <- apply_ica(demo_epochs, demo_SOBI, 1)
demo_re <- apply_ica(demo_SOBI)
vdiffr::expect_doppelganger("removed one component",
plot_butterfly(demo_rm))
vdiffr::expect_doppelganger("reconstruct all",
plot_butterfly(demo_re))
})
test_that("artefact detect works", {
expect_equal(ar_acf(demo_SOBI, plot = FALSE),character())
expect_equal(ar_chanfoc(demo_SOBI, plot = FALSE), character())
expect_equal(ar_trialfoc(demo_SOBI, plot = FALSE), "Comp009")
expect_equal(ar_eogcor(demo_fica,
demo_spatial,
HEOG = c("EXG1", "EXG2"),
VEOG = c("EXG3", "EXG4"),
plot = FALSE),
character(0))
})
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